Remove the `image_url` method from source strategies. This method would
return only the first image if a source had multiple images. The
`image_urls` method should be used instead. Tests were the main place
that still used `image_url` instead of `image_urls`.
Also make post replacements return an error if replacing with a source
that contains multiple images, instead of just blindly replacing the
post with the first image in the source.
* Fix error when uploading non-ugoira files.
* Fix sample image URLs not being rewritten to full images correctly. We
have to get the full image URL from the API because given an
/img-master/ URL, we don't know what the original file extension is.
* Make it so replacing a post doesn't generate a dummy upload as a side effect.
* Make it so you can't replace a post with itself (the post should be regenerated instead).
* Refactor uploads and replacements to save the ugoira frame data when
the MediaAsset is created, not when the post is created. This way it's
possible to view the ugoira before the post is created.
* Make `download_file!` in the Pixiv source strategy return a MediaFile
with the ugoira frame data already attached to it, instead of returning it
in the `data` field then passing it around separately in the `context`
field of the upload.
Fix the test suite failing when trying to run it in the default state
with no config file or API keys configured. Most source sites require
API keys or login credentials to be set in order to work. Skip these
tests when credentials aren't configured.
Fix the Pixiv API no longer working by rewriting the Pixiv strategy to
use the Ajax API instead of the mobile API.
Before we could authenticate in the mobile API by using the OAuth 2.0
grant_type=password authentication flow. This no longer works. Now it
requires logging in through a HTML page, which is protected by Google
reCaptcha. This makes using the mobile API infeasible.
Instead we switch to the Ajax API, which only needs a PHPSESSID to
authenticate. This can be obtained by logging in manually and using the
devtools to extract the cookie.
This also temporarily removes support for Pixiv novels. This should be
moved to a separate source strategy.
Remove the Downloads::File class. Move download methods to
Danbooru::Http instead. This means that:
* HTTParty has been replaced with http.rb for downloading files.
* Downloading is no longer tightly coupled to source strategies. Before
Downloads::File tried to automatically look up the source and download
the full size image instead if we gave it a sample url. Now we can
do plain downloads without source strategies altering the url.
* The Cloudflare Polish check has been changed from checking for a
Cloudflare IP to checking for the CF-Polished header. Looking up the
list of Cloudflare IPs was slow and flaky during testing.
* The SSRF protection code has been factored out so it can be used for
normal http requests, not just for downloads.
* The Webmock gem can be removed, since it was only used for stubbing
out certain HTTParty requests in the download tests. The Webmock gem
is buggy and caused certain tests to fail during CI.
* The retriable gem can be removed, since we no longer autoretry failed
downloads. We assume that if a download fails once then retrying
probably won't help.
Fixes an exception when attempting to upload a Pixiv image from a
deleted work. The download strategy tries to fetch the source data in
the course of rewriting the URL, which fails if the work has been
deleted from Pixiv.
Raise a BadIDError and leave the URL as-is (don't rewrite it).
* Test that downloading the HTML page downloads the full size image
instead.
* Test that downloading a small or medium size image downloads the
full size instead.
* Test the above for both single illustrations and for manga galleries,
for new and old posts (i.e. uploaded before the Pixiv URL changes versus
after), and for different file extensions.
* Test trying to download ugoira zip files. These tests are expected to
fail because we don't support ugoira yet.
* Also add some more tests for fetching source data.
